* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * InspIRCd: (C) 2002-2010 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
*/
#include "inspircd.h"
-#include "commands/cmd_whois.h"
-#include "commands/cmd_stats.h"
#include "socket.h"
#include "xline.h"
-#include "transport.h"
-#include "m_hash.h"
+#include "../m_hash.h"
#include "socketengine.h"
-#include "m_spanningtree/main.h"
-#include "m_spanningtree/utils.h"
-#include "m_spanningtree/treeserver.h"
-#include "m_spanningtree/link.h"
-#include "m_spanningtree/treesocket.h"
-#include "m_spanningtree/resolvers.h"
-#include "m_spanningtree/handshaketimer.h"
-
-/* $ModDep: m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_hash.h m_spanningtree/handshaketimer.h */
-
+#include "main.h"
+#include "../spanningtree.h"
+#include "utils.h"
+#include "treeserver.h"
+#include "link.h"
+#include "treesocket.h"
+#include "resolvers.h"
/** Because most of the I/O gubbins are encapsulated within
* BufferedSocket, we just call the superclass constructor for
* most of the action, and append a few of our own values
* to it.
*/
-TreeSocket::TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, std::string shost, int iport, unsigned long maxtime, const std::string &ServerName, const std::string &bindto, Module* HookMod)
- : BufferedSocket(SI, shost, iport, maxtime, bindto), Utils(Util), Hook(HookMod)
+TreeSocket::TreeSocket(SpanningTreeUtilities* Util, const std::string& shost, int iport, unsigned long maxtime, const std::string &ServerName, const std::string &bindto, Autoconnect* myac, const std::string& hook)
+ : Utils(Util), IP(shost), myautoconnect(myac)
{
+ age = ServerInstance->Time();
myhost = ServerName;
- theirchallenge.clear();
- ourchallenge.clear();
- this->LinkState = CONNECTING;
+ capab = new CapabData;
+ capab->capab_phase = 0;
+ proto_version = 0;
+ LinkState = CONNECTING;
+ if (!hook.empty())
+ {
+ ServiceProvider* prov = ServerInstance->Modules->FindService(SERVICE_IOHOOK, hook);
+ if (!prov)
+ {
+ SetError("Could not find hook '" + hook + "' for connection to " + ServerName);
+ return;
+ }
+ AddIOHook(prov->creator);
+ }
+ DoConnect(shost, iport, maxtime, bindto);
Utils->timeoutlist[this] = std::pair<std::string, int>(ServerName, maxtime);
- if (Hook)
- BufferedSocketHookRequest(this, (Module*)Utils->Creator, Hook).Send();
- hstimer = NULL;
+ SendCapabilities(1);
}
/** When a listening socket gives us a new file descriptor,
* we must associate it with a socket without creating a new
* connection. This constructor is used for this purpose.
*/
-TreeSocket::TreeSocket(SpanningTreeUtilities* Util, InspIRCd* SI, int newfd, char* ip, Module* HookMod)
- : BufferedSocket(SI, newfd, ip), Utils(Util), Hook(HookMod)
+TreeSocket::TreeSocket(SpanningTreeUtilities* Util, int newfd, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
+ : BufferedSocket(newfd), Utils(Util)
{
- this->LinkState = WAIT_AUTH_1;
- theirchallenge.clear();
- ourchallenge.clear();
- sentcapab = false;
- /* If we have a transport module hooked to the parent, hook the same module to this
- * socket, and set a timer waiting for handshake before we send CAPAB etc.
- */
- if (Hook)
- BufferedSocketHookRequest(this, (Module*)Utils->Creator, Hook).Send();
-
- hstimer = new HandshakeTimer(ServerInstance, this, &(Utils->LinkBlocks[0]), this->Utils, 1);
- ServerInstance->Timers->AddTimer(hstimer);
-
- /* Fix by Brain - inbound sockets need a timeout, too. 30 secs should be pleanty */
- Utils->timeoutlist[this] = std::pair<std::string, int>("<unknown>", 30);
+ capab = new CapabData;
+ IP = client->addr();
+ age = ServerInstance->Time();
+ LinkState = WAIT_AUTH_1;
+ capab->capab_phase = 0;
+ proto_version = 0;
+ myhost = "inbound from " + IP;
+
+ FOREACH_MOD(I_OnHookIO, OnHookIO(this, via));
+ if (GetIOHook())
+ GetIOHook()->OnStreamSocketAccept(this, client, server);
+ SendCapabilities(1);
+
+ Utils->timeoutlist[this] = std::pair<std::string, int>(myhost, 30);
}
ServerState TreeSocket::GetLinkState()
return this->LinkState;
}
-Module* TreeSocket::GetHook()
+void TreeSocket::CleanNegotiationInfo()
{
- return this->Hook;
+ delete capab;
+ capab = NULL;
}
-TreeSocket::~TreeSocket()
+CullResult TreeSocket::cull()
{
- if (Hook)
- BufferedSocketUnhookRequest(this, (Module*)Utils->Creator, Hook).Send();
- if (hstimer)
- ServerInstance->Timers->DelTimer(hstimer);
Utils->timeoutlist.erase(this);
+ if (myautoconnect)
+ Utils->Creator->ConnectServer(myautoconnect, false);
+ return this->BufferedSocket::cull();
+}
+
+TreeSocket::~TreeSocket()
+{
+ if (capab)
+ delete capab;
}
/** When an outbound connection finishes connecting, we receive
* to server docs on the inspircd.org site, the other side
* will then send back its own server string.
*/
-bool TreeSocket::OnConnected()
+void TreeSocket::OnConnected()
{
if (this->LinkState == CONNECTING)
{
/* we do not need to change state here. */
- for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
+ for (std::vector<reference<Link> >::iterator i = Utils->LinkBlocks.begin(); i < Utils->LinkBlocks.end(); ++i)
{
+ Link* x = *i;
if (x->Name == this->myhost)
{
- ServerInstance->SNO->WriteToSnoMask('l', "Connection to \2%s\2[%s] started.", myhost.c_str(), (x->HiddenFromStats ? "<hidden>" : this->GetIP().c_str()));
- if (Hook)
- {
- BufferedSocketHookRequest(this, (Module*)Utils->Creator, Hook).Send();
- ServerInstance->SNO->WriteToSnoMask('l', "Connection to \2%s\2[%s] using transport \2%s\2", myhost.c_str(), (x->HiddenFromStats ? "<hidden>" : this->GetIP().c_str()),
- x->Hook.c_str());
- }
- this->OutboundPass = x->SendPass;
- sentcapab = false;
-
- /* found who we're supposed to be connecting to, send the neccessary gubbins. */
- if (this->GetHook())
- {
- hstimer = new HandshakeTimer(ServerInstance, this, &(*x), this->Utils, 1);
- ServerInstance->Timers->AddTimer(hstimer);
- }
- else
- this->SendCapabilities();
-
- return true;
+ ServerInstance->SNO->WriteGlobalSno('l', "Connection to \2%s\2[%s] started.", myhost.c_str(), (x->HiddenFromStats ? "<hidden>" : this->IP.c_str()));
+ capab->OutboundPass = x->SendPass;
+ this->SendCapabilities(1);
+ return;
}
}
}
* If that happens the connection hangs here until it's closed. Unlikely
* and rather harmless.
*/
- ServerInstance->SNO->WriteToSnoMask('l', "Connection to \2%s\2 lost link tag(!)", myhost.c_str());
- return true;
+ ServerInstance->SNO->WriteGlobalSno('l', "Connection to \2%s\2 lost link tag(!)", myhost.c_str());
}
void TreeSocket::OnError(BufferedSocketError e)
{
- Link* MyLink;
-
- switch (e)
- {
- case I_ERR_CONNECT:
- ServerInstance->SNO->WriteToSnoMask('l', "Connection failed: Connection to \002%s\002 refused", myhost.c_str());
- MyLink = Utils->FindLink(myhost);
- if (MyLink)
- Utils->DoFailOver(MyLink);
- break;
- case I_ERR_SOCKET:
- ServerInstance->SNO->WriteToSnoMask('l', "Connection failed: Could not create socket (%s)", strerror(errno));
- break;
- case I_ERR_BIND:
- ServerInstance->SNO->WriteToSnoMask('l', "Connection failed: Error binding socket to address or port (%s)", strerror(errno));
- break;
- case I_ERR_WRITE:
- ServerInstance->SNO->WriteToSnoMask('l', "Connection failed: I/O error on connection (%s)", errno ? strerror(errno) : "Connection closed unexpectedly");
- break;
- case I_ERR_NOMOREFDS:
- ServerInstance->SNO->WriteToSnoMask('l', "Connection failed: Operating system is out of file descriptors!");
- break;
- default:
- if ((errno) && (errno != EINPROGRESS) && (errno != EAGAIN))
- ServerInstance->SNO->WriteToSnoMask('l', "Connection to \002%s\002 failed with OS error: %s", myhost.c_str(), strerror(errno));
- break;
- }
-}
-
-int TreeSocket::OnDisconnect()
-{
- /* For the same reason as above, we don't
- * handle OnDisconnect()
- */
- return true;
+ ServerInstance->SNO->WriteGlobalSno('l', "Connection to \002%s\002 failed with error: %s",
+ myhost.c_str(), getError().c_str());
+ ServerInstance->GlobalCulls.AddItem(this);
}
void TreeSocket::SendError(const std::string &errormessage)
{
- /* Display the error locally as well as sending it remotely */
- ServerInstance->SNO->WriteToSnoMask('l', "Sent \2ERROR\2 to %s: %s", (this->InboundServerName.empty() ? this->GetIP().c_str() : this->InboundServerName.c_str()), errormessage.c_str());
- this->WriteLine("ERROR :"+errormessage);
- /* One last attempt to make sure the error reaches its target */
- this->FlushWriteBuffer();
+ WriteLine("ERROR :"+errormessage);
+ DoWrite();
+ LinkState = DYING;
+ SetError(errormessage);
}
/** This function forces this server to quit, removing this server
*/
void TreeSocket::SquitServer(std::string &from, TreeServer* Current)
{
+ ServerInstance->Logs->Log("m_spanningtree",DEBUG,"SquitServer for %s from %s",
+ Current->GetName().c_str(), from.c_str());
/* recursively squit the servers attached to 'Current'.
* We're going backwards so we don't remove users
* while we still need them ;)
if ((Current) && (Current != Utils->TreeRoot))
{
- Event rmode((char*)Current->GetName().c_str(), (Module*)Utils->Creator, "lost_server");
- rmode.Send(ServerInstance);
+ DelServerEvent(Utils->Creator, Current->GetName());
- std::deque<std::string> params;
+ parameterlist params;
params.push_back(Current->GetName());
params.push_back(":"+reason);
Utils->DoOneToAllButSender(Current->GetParent()->GetName(),"SQUIT",params,Current->GetName());
if (Current->GetParent() == Utils->TreeRoot)
{
- this->ServerInstance->SNO->WriteToSnoMask('l', "Server \002"+Current->GetName()+"\002 split: "+reason);
+ ServerInstance->SNO->WriteGlobalSno('l', "Server \002"+Current->GetName()+"\002 split: "+reason);
LocalSquit = true;
}
else
{
- this->ServerInstance->SNO->WriteToSnoMask('L', "Server \002"+Current->GetName()+"\002 split from server \002"+Current->GetParent()->GetName()+"\002 with reason: "+reason);
+ ServerInstance->SNO->WriteGlobalSno('L', "Server \002"+Current->GetName()+"\002 split from server \002"+Current->GetParent()->GetName()+"\002 with reason: "+reason);
}
num_lost_servers = 0;
num_lost_users = 0;
SquitServer(from, Current);
Current->Tidy();
Current->GetParent()->DelChild(Current);
+ Current->cull();
delete Current;
if (LocalSquit)
- this->ServerInstance->SNO->WriteToSnoMask('l', "Netsplit complete, lost \002%d\002 users on \002%d\002 servers.", num_lost_users, num_lost_servers);
+ ServerInstance->SNO->WriteToSnoMask('l', "Netsplit complete, lost \002%d\002 user%s on \002%d\002 server%s.", num_lost_users, num_lost_users != 1 ? "s" : "", num_lost_servers, num_lost_servers != 1 ? "s" : "");
else
- this->ServerInstance->SNO->WriteToSnoMask('L', "Netsplit complete, lost \002%d\002 users on \002%d\002 servers.", num_lost_users, num_lost_servers);
+ ServerInstance->SNO->WriteToSnoMask('L', "Netsplit complete, lost \002%d\002 user%s on \002%d\002 server%s.", num_lost_users, num_lost_users != 1 ? "s" : "", num_lost_servers, num_lost_servers != 1 ? "s" : "");
}
else
ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"Squit from unknown server");
}
/** This function is called when we receive data from a remote
- * server. We buffer the data in a std::string (it doesnt stay
- * there for long), reading using BufferedSocket::Read() which can
- * read up to 16 kilobytes in one operation.
- *
- * IF THIS FUNCTION RETURNS FALSE, THE CORE CLOSES AND DELETES
- * THE SOCKET OBJECT FOR US.
+ * server.
*/
-bool TreeSocket::OnDataReady()
+void TreeSocket::OnDataReady()
{
- const char* data = this->Read();
- /* Check that the data read is a valid pointer and it has some content */
- if (data && *data)
+ Utils->Creator->loopCall = true;
+ std::string line;
+ while (GetNextLine(line))
{
- this->in_buffer.append(data);
- Utils->Creator->loopCall = true;
- /* While there is at least one new line in the buffer,
- * do something useful (we hope!) with it.
- */
- while (in_buffer.find("\n") != std::string::npos)
+ std::string::size_type rline = line.find('\r');
+ if (rline != std::string::npos)
+ line = line.substr(0,rline);
+ if (line.find('\0') != std::string::npos)
{
- std::string ret = in_buffer.substr(0,in_buffer.find("\n")-1);
- in_buffer = in_buffer.substr(in_buffer.find("\n")+1,in_buffer.length()-in_buffer.find("\n"));
- /* Use rfind here not find, as theres more
- * chance of the \r being near the end of the
- * string, not the start.
- */
- if (ret.find("\r") != std::string::npos)
- ret = in_buffer.substr(0,in_buffer.find("\r")-1);
- /* Process this one, abort if it
- * didnt return true.
- */
- if (!this->ProcessLine(ret))
- {
- return false;
- }
+ SendError("Read null character from socket");
+ break;
}
- Utils->Creator->loopCall = false;
- return true;
+ ProcessLine(line);
+ if (!getError().empty())
+ break;
}
- /* EAGAIN returns an empty but non-NULL string, so this
- * evaluates to TRUE for EAGAIN but to FALSE for EOF.
- */
- return (data && !*data);
+ if (LinkState != CONNECTED && recvq.length() > 4096)
+ SendError("RecvQ overrun (line too long)");
+ Utils->Creator->loopCall = false;
}
projects / user / henk / code / inspircd.git / blobdiff